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Finding the Fourth Proportional to 123,590.40, 184,926.24 and 73,697.60

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Solution

The fourth proportional to 123,590.40, 184,926.24 and 73,697.60 is: 110,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,590.40 : 184,926.24 = 73,697.60 : x
  2. Step 2: Convert to fraction form
    123,590.40/184,926.24 = 73,697.60/x
  3. Step 3: Cross multiply
    123,590.40x = 184,926.24 × 73,697.60
  4. Step 4: Simplify right side
    123,590.40x = 13,628,620,065.02
  5. Step 5: Solve for x
    x = 13,628,620,065.02/123,590.40
  6. Step 6: Final answer
    x = 110,272.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.